^ N ACT To approve a contract with the Conejos Water Conservancy District, Colorado, to ratify its execution, and for other purposes.

Be it enacted by the Senate and House of Representatives of the C(fn°8e^ancy IDU- United States of America in Congress assembled, That the contract trict,j:oio. between the United States and the Conejos "Water Conservancy DisContract, '""*"""* trict, Colorado, dated June 3, 1958, which provides, amon^ other things, for a variable repayment plan based upon the availability of water for use on project lands within the district, is approved and its execution on behalf of the United States by the representative of the Secretary of the Interior is hereby ratified. The Secretary may reduce the amount required in said contract to be maintained in the operation and maintenance reserve fund to not less than $20,000, in which event the amount of any necessary annual deposits to such fund shall not exceed $2,000. Approved April 4, 1960.

Public Law 86-405 April 4. 1960

[H. R. 7456]

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Xo extend until July 1, 1960, the suspension of duty on imports of casein.

Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the Act entitled "An Act to amend the Tariff Act of 1930 to provide for the temporary free importation of casein", approved September 2, 1957 (71 Stat. 579; 19 U.S.C. 1001, par. 19 note), is amended by striking out "March 31, 1960" and inserting in lieu thereof "July 1, 1960". Approved April 4, 1960.

Public Law 86-406 April 4, 1960 [H. R. 4483]

^ ^ ACT rp,^ amend the Act of December 24, 1942 (.56 Stat. 1086, 43 U.S.C. 36b), entitled "An Act to authorize the Secretary of the Interior to acquire lands or interest in lands for the Geological Survey."

Be it enacted by the Senate and House of Representatives of the Geological sur- United States of America in Congress assembled, That the Act of Lknds. December 24, 1942 (ch. 822, 56 Stat. 1086), is hereby amended to read 43 USC 36b as follows: "That the Secretary of the Interior may, on behalf of the United States and for use by the Geological Survey in gaging streams and underground water resources, acquire lands by donation or when funds have been appropriated by Congress by purchase or condemnation, but not in excess of ten acres for any one stream gaging station or observation well site. For the same purpose the Secretary of the Interior may obtain easements, licenses, rights-of-way, and leases limited to run for such a period of time or term of years as may be required for the effective performance of the function of gaging streams and underground water resources: Provided, That nothing in this Act shall be construed as affecting or intended to affect or in any